nixpkgs/pkgs/games/cataclysm-dda/wrapper.nix
Artturin 780669daf5 treewide: don't hardcode /nix/store (no rebuilds changes)
improve experience for other store locations
2023-03-24 20:11:33 +02:00

48 lines
1.1 KiB
Nix

{ lib, symlinkJoin, makeWrapper }:
unwrapped:
pkgsSpec:
let
mods = if lib.isFunction pkgsSpec
then pkgsSpec unwrapped.pkgs
else pkgsSpec;
in
if builtins.length mods == 0
then unwrapped
else symlinkJoin {
name = unwrapped.name + "-with-mods";
paths = [ unwrapped ] ++ mods;
nativeBuildInputs = [ makeWrapper ];
postBuild = ''
if [ -x $out/bin/cataclysm ]; then
wrapProgram $out/bin/cataclysm \
--add-flags "--datadir $out/share/cataclysm-dda/"
fi
if [ -x $out/bin/cataclysm-tiles ]; then
wrapProgram $out/bin/cataclysm-tiles \
--add-flags "--datadir $out/share/cataclysm-dda/"
fi
# Launch the wrapped program
replaceProgram() {
cp "$1" "''${1}.bk"
unlink "$1"
mv "''${1}.bk" "$1"
sed -i "$1" -e "s,${builtins.storeDir}/.\+\(/bin/cataclysm-tiles\),$out\1,"
}
for script in "$out/share/applications/cataclysm-dda.desktop" \
"$out/Applications/Cataclysm.app/Contents/MacOS/Cataclysm.sh"
do
if [ -e "$script" ]; then
replaceProgram "$script"
fi
done
'';
}